Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2009 Jeep Compass 2WD L4-2.4LFACTORY OEM SERVICE PROCEDURE
Crankshaft, Engine
CRANKSHAFT
Connecting Rod Journal Diameter
Journal Grade
1 47.966 - 47.972 mm (1.8884 - 1.8886 in.)
2 47.960 - 47.966 mm (1.8884 - 1.8881 in.)
3 47.954 - 47.960 mm (1.8879 - 1.8881 in.)
Rod Journal- Taper (Max) 0.005 mm (0.0001 in.)
Main Bearing Journal Diameter
Journal Grade
0 51.985 - 51.988 mm (2.0466 - 2.0467 in.)
1 51.982 - 51.985 mm (2.0465 - 2.0466 in.)
2 51.979 - 51.982 mm (2.0464 - 2.0465 in.)
3 51.976 - 51.979 mm (2.0462 - 2.0464 in.)
4 51.973 - 51.976 mm (2.0461 - 2.0462 in.)
Journal Out-of-Round (Max.) 0.005 mm (0.0001 in.)
Journal Taper (Max.) 0.006 mm (0.0002 in.)
End Play 0.05 - 0.25 mm (0.0019 - 0.0098 in.)
Wear Limit 0.30 mm (0.0118 in.)
Main Bearing Diametrical Clearance 0.028 - 0.048 mm (0.0011 - 0.0018 in.)
Main Bearing Diametrical Clearance (Max) 0.058 mm (0.0022 in.)
Bore Diameter-Crankshaft End 51 - 51.015 mm (2.0078 - 2.0084 in.)
Lower Main Bearing Selection
Upper Main Bearing Selection
Connecting Rod Journal Diameter
Journal Grade
1 47.966 - 47.972 mm (1.8884 - 1.8886 in.)
2 47.960 - 47.966 mm (1.8884 - 1.8881 in.)
3 47.954 - 47.960 mm (1.8879 - 1.8881 in.)
Rod Journal- Taper (Max) 0.005 mm (0.0001 in.)
Main Bearing Journal Diameter
Journal Grade
0 51.985 - 51.988 mm (2.0466 - 2.0467 in.)
1 51.982 - 51.985 mm (2.0465 - 2.0466 in.)
2 51.979 - 51.982 mm (2.0464 - 2.0465 in.)
3 51.976 - 51.979 mm (2.0462 - 2.0464 in.)
4 51.973 - 51.976 mm (2.0461 - 2.0462 in.)
Journal Out-of-Round (Max.) 0.005 mm (0.0001 in.)
Journal Taper (Max.) 0.006 mm (0.0002 in.)
End Play 0.05 - 0.25 mm (0.0019 - 0.0098 in.)
Wear Limit 0.30 mm (0.0118 in.)
Main Bearing Diametrical Clearance 0.028 - 0.048 mm (0.0011 - 0.0018 in.)
Main Bearing Diametrical Clearance (Max) 0.058 mm (0.0022 in.)
Bore Diameter-Crankshaft End 51 - 51.015 mm (2.0078 - 2.0084 in.)
Lower Main Bearing Selection
Upper Main Bearing Selection
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.